List of Canadian patents from the beginning of the Patent Office, June 1824 to the 31st of August, 1872.
Publisher: MacLean, Roger & Co.
Published: 1882
Place of publication: Ottawa
Language: eng
Number of pages: 222
Subjects: Patents -- Canada
Other titles: Blue book.
Notes: "The 'Blue Book' is the only full record in existence of patents issued in Canada prior to the beginning of the Canadian Patent Office Record in March, 1873."

Cover title.

Loris Russell collection.